Compare commits

..

No commits in common. "def08c6c94485247ff057ce90075707917e6ba0d" and "4ff6129bc35156b4c2e4e81ba7ffd276fd6817ce" have entirely different histories.

3 changed files with 3 additions and 295 deletions

View file

@ -17,7 +17,7 @@ rem exit /b
py pcomp.py sasm.pas
py pcomp.py pcomp.pas
py pcomp.py lsymgen.pas
py pcomp.py shortgen.pas
py pcomp.py libgen.pas
rem exit /b

View file

@ -62,13 +62,8 @@ begin
begin
if lastUsed < endSlot then
begin
(* if the volume is empty mark the first slot *)
if lastUsed = 0 then
slotNo := reservedCount
else
slotNo := lastUsed + 1;
writeln('Updating directory...');
slotNo := lastUsed + 1;
getdirslot(volid, slotNo, dirslot, error);
if error <> IONoError then
begin
@ -124,7 +119,7 @@ begin
lastUsed := 0;
openvolumeid(volid);
i := 0;
i := volumeTable[volid].startSlot;
endSlot := volumeTable[volid].part.dirSize - 1;
if verbose then

View file

@ -1,287 +0,0 @@
#!/usr/bin/python3
# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
#
# Copyright 2021 Sebastian Lederer
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import sys
import serial
import time
import random
blocksize = 32
BEL = 7
ACK = 6
NAK = 21
ENQ = 5
SOH = 1
STX = 2
EOT = 4
wordmask = 0xFFFFFFFF
pattern = 0xAFFECAFE
def serwrite_slow(databytes, ser):
total = len(data)
count = 1
for d in data:
sys.stdout.write("writing {0:02x} {1:04d}/{2:04d}\r".format(ord(d), count, total))
ser.write(bytes(d,"utf8"))
count += 1
time.sleep(0.020)
print()
def serwrite(datafile, ser):
with open(datafile) as f:
data = f.read()
total = len(data)
count = 1
for d in data:
sys.stdout.write("writing {0:02x} {1:04d}/{2:04d}\r".format(ord(d), count, total))
ser.write(bytes(d,"utf8"))
count += 1
time.sleep(0.020)
print()
def checksum(databytes):
i = 0
cksum = 0
while i < len(databytes):
word = databytes[i] << 24 | \
databytes[i+1] << 16 | \
databytes[i+2] << 8 | \
databytes[i+3]
# print("word:{0:08x}".format(word))
i += 4
cksum = (((cksum + word) ^ pattern) << 1) & wordmask
return cksum
def sendchar(char, ser):
ser.write(char.to_bytes(1, 'big'))
def sendcommand(ser, cmd=b'L'):
ser.write(cmd)
resp = ser.read_until()
print(cmd,"sent, response:", str(resp))
return resp
def send_size_header(ser, filesize):
ser.write(b'\x05') # ENQ
resp = ser.read(1)
if resp != b'\x15': # NAK
# print("ENQ response:",str(resp))
ser.write(b'\x01') # SOH
databytes = filesize.to_bytes(4, 'big')
chksum = ~filesize & 0xFFFFFFFF
#print(str(databytes), len(databytes), type(filesize), filesize)
#print(str(chksum.to_bytes(4,'big')), len(databytes))
ser.write(databytes)
ser.write(chksum.to_bytes(4,'big'))
resp = ser.read(1)
if len(resp) == 0:
print("timeout waiting for ACK on size header")
return False
char = resp[0]
# print("response to size header:", str(resp), repr(char))
return char == ACK # ACK
else:
print("Not using size header.")
return True
def serload_bin(datafile, ser):
resp = sendcommand(ser)
if len(resp) == 0:
print("timeout sending 'L' command")
return
sentblocks = 0
resend = 0
data = []
if datafile.endswith('.mem'):
with open(datafile) as f:
for l in f.readlines():
b3 = l[0:8]
b2 = l[8:16]
b1 = l[16:24]
b0 = l[24:32]
data.extend([ int(b,2) for b in [b3,b2,b1,b0]])
else:
with open(datafile, 'rb') as f:
data = f.read()
filesize = len(data)
if filesize % blocksize > 0:
l = len(data)
pad = blocksize - (l % blocksize)
print("padding {} bytes with {} to {}".format(l, pad, l+pad))
data += bytearray(pad)
if not send_size_header(ser, filesize):
print("Error sending size header.")
return
while len(data) > 0:
block = data[0:32]
databytes = bytearray(block)
sendchar(STX, ser)
#print("block:",databytes)
chksum = checksum(databytes)
#print("checksum: {0:08x}".format(chksum))
#if random.randrange(2) == 0:
# databytes[random.randrange(len(databytes))] = 0
ser.write(databytes)
#print(chksum.to_bytes(4, 'big'))
ser.write(chksum.to_bytes(4,'big'))
resp = ser.read(1)
if len(resp) == 0:
print("timeout waiting for ACK")
break
char = resp[0]
if char == ACK:
#print("ACK received")
sentblocks += 1
data = data[32:] # ack received, send next block
elif char == NAK: # nak received, send same block
# print("NAK received")
resend += 1
pass
else:
print("garbage received: ",char)
print(ser.read(80))
break # anything else, give up
print("{} blocks sent, {} retries".format(sentblocks, resend), end='\r')
sendchar(EOT, ser)
print()
def word_from_bytes(b):
w = b[0] << 24 | b[1] << 16 | b[2] << 8 | b[3]
return w
def read_word(ser):
b = ser.read(4)
if len(b) != 4:
return None
return word_from_bytes(b)
def serdownload(fname, ser):
resp = sendcommand(ser, b'D')
if len(resp) == 0:
print("timeout sending 'D' command")
return
sendchar(BEL, ser);
resp = ser.read(1)
if len(resp) == 0:
print("Timeout receiving size header.")
return
if resp[0] != SOH:
print("Error receiving size header.", resp[0])
return
size = read_word(ser)
cksize = read_word(ser)
if (~cksize & 0xFFFFFFFF) != size:
print("Invalid size header received.")
return
sendchar(ACK, ser)
print("File size: {} bytes".format(size))
count = size
with open(fname, "wb") as f:
while count > 0:
startbyte = ser.read(1)
if len(startbyte) == 0:
print("Timeout receiving STX.")
return
if startbyte[0] != STX:
print("Error receiving STX.", resp[0])
return
block = ser.read(32)
if len(block) != 32:
print("Error receiving block")
return
cksum = read_word(ser)
if cksum is None:
print("Error receiving block checksum")
return
mysum = checksum(block)
if cksum != mysum:
print("Checksum error, retry block")
sendchar(NAK, ser)
continue
print(".", end="", flush=True)
count -= 32
f.write(block)
sendchar(ACK, ser)
resp = ser.read(1)
if len(resp) == 0:
print("Timeout receiving EOT.")
if resp[0] != EOT:
print("Error receiving EOT.", resp[0])
print("\nEnd of transmission, {} bytes received.".format(size))
f.truncate(size)
f.close()
if __name__ == "__main__":
cmd = None
if len(sys.argv) == 4:
cmd = sys.argv[1]
filename = sys.argv[2]
serial_port = sys.argv[3]
ser = serial.Serial(serial_port,115200, timeout=3)
if cmd == 'get':
serdownload(filename, ser)
elif cmd == 'put':
serload_bin(filename, ser)
else:
print("Usage: {} get|put <filename> <serial device>".format(sys.argv[0]))
if cmd is not None:
ser.close()